(19)

(11)

EP 2 907 243 A1

(12)

(43) Date of publication: 19.08.2015 Bulletin 2015/34 (21) Application number: 13774203.7 (22) Date of filing: 10.10.2013

(51) International Patent Classification (IPC):  H04B 5/00(2006.01) H05K 7/20(2006.01) F28D 21/00(2006.01) H01L 23/373(2006.01) F28F 21/06(2006.01) (86) International application number: PCT/EP2013/071162 (87) International publication number: WO 2014/057035 (17.04.2014 Gazette 2014/16)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME (30) Priority: 11.10.2012 EP 12188197 (71) Applicant: DSM IP Assets B.V. 6411 TE Heerlen (NL)	(72) Inventors: JANSSEN, Robert, Hendrik, Catharina NL-6100 AA Echt (NL) MARISSEN, Roelof NL-6100 AA Echt (NL) PLUG, Johannes, Petrus, Marinus NL-6100 AA Echt (NL) WERFF, VAN DER, Harm NL-6100 AA Echt (NL) (74) Representative: Zuideveld, Mihaela  DSM Intellectual Property P.O.Box 4 6100 AA Echt 6100 AA Echt (NL)